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  • Band Type:  Stainless Steel
  • Color:  Black
  • Dial Code:  Analog

Technical Specs

  • Multi-Band Atomic Timekeeping (US, UK, Germany, Japan, China)
    Receives time calibration radio signals which keep the displayed time accurate Auto receive function (up to 6 times per day/up to 5 times per day for China)
    Manual receive function
    Signal: US WWVB, UK MSF, Germany DCF77, Japan JJY40/JJY60, China BPC
    Frequency: US 60kHz, UK 60kHz, Germany 77.5kHz, Japan 40/60kHz, BPC 68.5kHz
  • Tough Solar Power
  • Shock Resistant
  • Triple G Resistant
  • Tough Movement
  • Auto hand home position correction
  • 200M Water Resistant
  • Neo-brite luminous hands and markers
  • World Time 29 times zones (29 cities + UTC), city code display, daylight saving on/off, home city/world time swapping)
  • Beeper Alarm
  • 1/100 second chronograph
    Measuring capacity: 00:23'59.99"
    Measuring modes: Elapsed time, split time
  • Full Auto-Calendar (pre-programmed until the year 2099)
  • 12/24 Hour Formats
  • Accuracy: +/- 15 seconds per month (with no signal calibration)
  • Storage Battery: Solar Rechargeable Battery
  • Low Battery Warning
  • Power Saving Function
  • Approx. Battery Life: 5 months on full charge (without further exposure to light)
  • Module: 5087

Size of case/total weight
GW4000 52.9 x 50.4 x 15.6mm / 75g
GW4000D 52.9 x 50.4 x 15.6mm / 152g